<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
  <title>清爽简洁的登录页面</title>
  <style>
    * { margin: 0; padding: 0; }
    html { height: 100%; }
    body { height: 100%; background: #fff url(__IMG__/qingshuang/backgroud.png) 50% 50% no-repeat; background-size: cover;}
    .dowebok { position: absolute; left: 50%; top: 50%; width: 430px; height: 550px; margin: -300px 0 0 -215px; border: 1px solid #fff; border-radius: 20px; overflow: hidden;}
    .logo { width: 104px; height: 104px; margin: 50px auto 80px; background: url(__IMG__/qingshuang/login.png) 0 0 no-repeat; }
    .form-item { position: relative; width: 360px; margin: 0 auto; padding-bottom: 30px;}
    .form-item input { width: 288px; height: 48px; padding-left: 70px; border: 1px solid #fff; border-radius: 25px; font-size: 18px; color: #fff; background-color: transparent; outline: none;}
    .form-item button { width: 360px; height: 50px; border: 0; border-radius: 25px; font-size: 18px; color: #1f6f4a; outline: none; cursor: pointer; background-color: #fff; }
    #username { background: url(__IMG__/qingshuang/emil.png) 20px 14px no-repeat; }
    #password { background: url(__IMG__/qingshuang/password.png) 23px 11px no-repeat; }
    .tip { display: none; position: absolute; left: 20px; top: 52px; font-size: 14px; color: #f50; }
    .reg-bar { width: 360px; margin: 20px auto 0; font-size: 14px; overflow: hidden;}
    .reg-bar a { color: #fff; text-decoration: none; }
    .reg-bar a:hover { text-decoration: underline; }
    .reg-bar .reg { float: left; }
    .reg-bar .forget { float: right; }
    .dowebok ::-webkit-input-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}
    .dowebok :-moz-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}
    .dowebok ::-moz-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}
    .dowebok :-ms-input-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}

    @media screen and (max-width: 500px) {
      * { box-sizing: border-box; }
      .dowebok { position: static; width: auto; height: auto; margin: 0 30px; border: 0; border-radius: 0; }
      .logo { margin: 50px auto; }
      .form-item { width: auto; }
      .form-item input, .form-item button, .reg-bar { width: 100%; }
    }
  </style>
</head>
<body>
<div class="dowebok">
  <div class="logo"></div>
  <div class="form-item">
    <input id="username" type="text" autocomplete="off" placeholder="邮箱">
    <p class="tip">请输入合法的邮箱地址</p>
  </div>
  <div class="form-item">
    <input id="password" type="password" autocomplete="off" placeholder="登录密码">
    <p class="tip">邮箱或密码不正确</p>
  </div>
  <div class="form-item"><button id="submit">登 录</button></div>
  <div class="reg-bar">
    <a class="reg" href="javascript:">立即注册</a>
    <a class="forget" href="javascript:">忘记密码</a>
  </div>
</div>
<!-- 资 源 引 入 -->
<script src="__STATIC__/layui/layui.js"></script>
<script src="__STATIC__/pear/pear.js"></script>
<script>
  layui.use(['form', 'button', 'popup'], function () {
    var form = layui.form;
    var button = layui.button;
    var popup = layui.popup;

    // 登 录 提 交
    form.on('submit(login)', function (data) {

      /// 验证

      /// 登录

      /// 动画
      button.load({
        elem: '.login',
        time: 1500,
        done: function () {
          popup.success("登录成功", function () {
            location.href = "../index.html"
          });
        }
      })

      return false;
    });
  })
</script>
</body>
</html>